Agricultural extension plays an important role in boosting agricultural productivity, increasing food security, improving rural livelihoods and promoting agriculture as an engine of pro-poor economic growth. Over the time, it has also mended itself as a crucial system that provides support services to rural producers meeting the new challenges confronting agriculture like climate change, marketing and other associated attributes. The very genesis of agricultural extension, followed by its transformation for the upliftment of farming community needs a systematic deliberation to understand the multifarious role played by this discipline. Accordingly, this book has incorporated almost all the changes taken place over a period of time for bringing visible changes in agriculture, animal husbandry and fishery in a systemic manner for the students and professionals associated with agriculture and rural development activities. This book has also highlighted the areas like women empowerment, agribusiness development for the rural youths and other significant arena closely linked with the dream of Atmanirbhar Bharat. Various strategies have also been suggested to make agriculture extension as the driver of agriculture development with the use of advanced ICT tools that may go a long way towards achieving the goal of self-reliant India through agriculture and allied sectors